TY - JOUR AU - Ustina, Fred TI - Convergence of the Hausdorff Means ofDouble Fourier Series* JO - Canadian mathematical bulletin PY - 1968 SP - 585 EP - 591 VL - 11 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1968-070-5/ DO - 10.4153/CMB-1968-070-5 ID - 10_4153_CMB_1968_070_5 ER -